Amazon announced a breakthrough from its AI experts Monday: Their algorithms can now read fear on your face, at a cost of $0.001 per image—or less if you process more than 1 million images.

An Algorithm That ‘Predicts’ Criminality Based on a Face Sparks a Furor Its creators said they could use facial analysis to determine if someone would become a criminal.

Image processing algorithms are used to extract information from images, restore and compress image and video data, and build new experiences in virtual and augmented reality. Computer vision uses ...